TenTec
[Top] [All Lists]

[TenTec] Clicking noise in Jupiter rx audio

To: <tentec@contesting.com>
Subject: [TenTec] Clicking noise in Jupiter rx audio
From: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Wed, 17 Apr 2002 13:04:02 -0500
I found that 10% unbalance did cause some area of concern.  It took a lot of
work but I'm able to maintain about 5% based on the lab instrumentation
available.

73
Bob K4TAX
----- Original Message -----
From: "Tom Rauch" <w8ji@contesting.com>
To: "Jeff Peacock" <ve3ios@servers.ca>; <KZ5X@mail.ev1.net>;
<tentec@contesting.com>; "Stuart Rohre" <rohre@arlut.utexas.edu>
Sent: Wednesday, April 17, 2002 7:36 AM
Subject: Re: [TenTec] Clicking noise in Jupiter rx audio


>
>
> > If your parallel line is no more than 10 per cent unbalanced, it
> > should NOT be producing any radiation from the line.
>
> The only time a line does not radiate is when the line carries
> exactly equal and exactly out-of-phase currents. That also assumes
> conductor spacing is infinitely small, or the line is twisted at
> distances of a fraction of a wavelength and conductor spacing is
> reasonably small.
>
> 10% current unbalance can result in considerable radiation. Phase is
> also critical, so you just can not measure current.
>
>  73, Tom W8JI
> W8JI@contesting.com
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>


<Prev in Thread] Current Thread [Next in Thread>